[ Thanks to Falko
Timme for this link. ]
“This tutorial shows how to prepare an Ubuntu 11.04 (Natty
Narwhal) server for the installation of ISPConfig 3, and how to
install ISPConfig 3. ISPConfig 3 is a webhosting control panel that
allows you to configure the following services through a web
browser: Apache web server, Postfix mail server, MySQL, BIND or
MyDNS nameserver, PureFTPd, SpamAssassin, ClamAV, and many more.